Tucked away in the darkest depths of this world, tales of the bizarre and the supernatural quietly unfold. These inexplicable stories are chronicled throughout the pages of a certain strange encyclopedia, sheltered within a crumbling, decrepit building. Do you dare to open its cover and experience the horrors firsthand? Each of the macabre tales held within the book's pages details some unusual, surreal experiences that often come to a gruesome end. A man searches for his adulterous wife, only to find himself at the mercy of otherworldly visitors; a boy befriends a snowman who harbors a sinister secret; crop circles suddenly form on a family farm, created by some unexpected visitors; hidden in plain sight, menacing mechanical beings continue on undetected. In all of these horrifying stories, nothing is as simple as it seems, revealing a terrifying darkness that perhaps might have been best left alone.

Eighth season of the Teekyuu anime series.

Tenchi runs off into the woods to spend some time alone after his friends have another argument. While lost in thought, he hears a voice coming from a camellia tree. Tenchi approaches it and vanishes through a portal. Six months later, Tenchi still has not returned home. Though most have given up the idea of ever finding him, his friends refuse to lose hope and have split up into two teams. Aeka and Ryoukou remain on Earth to investigate while Washuu, Sasami, Kiyone, and Mihoshi comb the rest of the galaxy in search. Their efforts eventually pay off when Tenchi's energy is picked up on their radar. However, the happy reunion will have to wait as the girls gear up for their biggest challenge yet—Tenchi seems to have completely forgotten them and is living happily with another woman. Instead of solving their problems, finding Tenchi has left them with even more questions.

Director's cut of episode 12 included with the BD/DVD box release. Contains about 15 minutes of new content.